Home / 140,286.14-193,604.76-79,856.81

Finding the Fourth Proportional to 140,286.14, 193,604.76 and 79,856.81

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Solution

The fourth proportional to 140,286.14, 193,604.76 and 79,856.81 is: 110,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.14 : 193,604.76 = 79,856.81 : x
  2. Step 2: Convert to fraction form
    140,286.14/193,604.76 = 79,856.81/x
  3. Step 3: Cross multiply
    140,286.14x = 193,604.76 × 79,856.81
  4. Step 4: Simplify right side
    140,286.14x = 15,460,658,534.42
  5. Step 5: Solve for x
    x = 15,460,658,534.42/140,286.14
  6. Step 6: Final answer
    x = 110,208.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.